3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Bonjour"; foreach ($string as $letter) { $string[$letter] = chr($letter); } print_r($string);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0130.00716.75
8.3.50.0110.00716.48
8.3.40.0180.00318.53
8.3.30.0140.00018.68
8.3.20.0080.00020.33
8.3.10.0070.00321.73
8.3.00.0040.00419.56
8.2.180.0070.01018.16
8.2.170.0110.00422.96
8.2.160.0040.01119.21
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00919.03
8.2.120.0070.00026.35
8.2.110.0030.00620.41
8.2.100.0030.00817.78
8.2.90.0080.00019.07
8.2.80.0040.00417.97
8.2.70.0040.00817.63
8.2.60.0000.00818.04
8.2.50.0050.00318.10
8.2.40.0000.00720.48
8.2.30.0000.00719.10
8.2.20.0000.00718.02
8.2.10.0080.00018.06
8.2.00.0000.00717.95
8.1.280.0040.01125.92
8.1.270.0060.00322.02
8.1.260.0020.00526.35
8.1.250.0080.00028.09
8.1.240.0040.00422.72
8.1.230.0070.00418.95
8.1.220.0060.00317.77
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0050.00317.36
8.1.180.0070.00018.10
8.1.170.0050.00318.49
8.1.160.0000.00719.00
8.1.150.0000.01018.88
8.1.140.0040.00419.55
8.1.130.0000.00718.93
8.1.120.0000.00817.43
8.1.110.0040.00417.32
8.1.100.0030.00517.34
8.1.90.0030.00617.45
8.1.80.0040.00417.48
8.1.70.0070.00017.47
8.1.60.0000.00917.57
8.1.50.0070.00017.43
8.1.40.0000.00817.37
8.1.30.0070.00017.54
8.1.20.0040.00417.62
8.1.10.0050.00217.43
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.47
8.0.270.0000.00717.27
8.0.260.0000.00716.78
8.0.250.0030.00317.03
8.0.240.0030.00616.91
8.0.230.0030.00316.94
8.0.220.0070.00017.00
8.0.210.0060.00316.82
8.0.200.0060.00017.00
8.0.190.0060.00316.96
8.0.180.0030.00316.95
8.0.170.0030.00416.92
8.0.160.0030.00316.85
8.0.150.0030.00316.84
8.0.140.0000.00716.87
8.0.130.0030.00313.39
8.0.120.0030.00616.98
8.0.110.0080.00016.90
8.0.100.0000.00716.97
8.0.90.0000.00716.90
8.0.80.0080.00816.89
8.0.70.0000.00716.77
8.0.60.0040.00417.01
8.0.50.0040.00416.83
8.0.30.0090.00917.23
8.0.20.0080.01117.40
8.0.10.0000.00816.96
8.0.00.0150.01216.73
7.4.330.0040.00415.55
7.4.320.0030.00316.62
7.4.300.0000.00616.44
7.4.290.0030.00316.48
7.4.280.0000.00816.60
7.4.270.0050.00316.50
7.4.260.0060.00316.59
7.4.250.0080.00016.51
7.4.240.0050.00316.61
7.4.230.0030.00316.50
7.4.220.0120.00616.46
7.4.210.0030.01316.71
7.4.200.0030.00316.65
7.4.160.0090.00716.40
7.4.150.0130.02717.40
7.4.140.0070.01217.86
7.4.130.0200.00316.47
7.4.120.0130.00616.50
7.4.110.0100.00616.55
7.4.100.0060.01316.60
7.4.90.0090.00616.50
7.4.80.0100.00619.39
7.4.70.0070.01116.52
7.4.60.0060.00916.52
7.4.50.0000.01516.55
7.4.40.0060.01616.36
7.4.30.0080.01016.42
7.4.00.0090.00614.97
7.3.330.0000.00513.09
7.3.320.0000.00712.98
7.3.310.0000.00716.36
7.3.300.0000.00716.29
7.3.290.0090.00516.25
7.3.280.0100.00716.26
7.3.270.0070.01017.40
7.3.260.0120.01016.17
7.3.250.0070.01116.31
7.3.240.0070.01416.22
7.3.230.0120.00416.26
7.3.210.0120.00616.39
7.3.200.0120.00316.40
7.3.190.0070.01016.48
7.3.180.0110.00516.36
7.3.170.0070.01016.20
7.3.160.0130.00316.22
7.3.120.0000.01614.79
7.3.110.0060.00914.52
7.3.100.0120.00614.81
7.3.90.0030.00914.75
7.3.80.0100.00714.61
7.3.70.0000.00814.75
7.3.60.0090.00614.79
7.3.50.0040.01514.79
7.3.40.0060.00914.62
7.3.30.0110.00714.86
7.3.20.0070.00716.60
7.3.10.0090.00916.65
7.3.00.0000.01516.28
7.2.330.0090.00916.68
7.2.320.0060.01316.48
7.2.310.0040.01316.61
7.2.300.0160.00316.55
7.2.290.0130.00616.35
7.2.250.0030.01614.84
7.2.240.0030.01715.18
7.2.230.0030.01215.09
7.2.220.0100.00314.63
7.2.210.0000.01814.82
7.2.200.0060.00615.03
7.2.190.0070.00314.90
7.2.180.0100.01314.75
7.2.170.0110.01114.86
7.2.160.0040.00415.00
7.2.150.0060.00316.50
7.2.140.0070.00716.88
7.2.130.0040.01117.02
7.2.120.0140.00016.64
7.2.110.0130.00016.53
7.2.100.0040.01616.80
7.2.90.0040.00916.86
7.2.80.0000.01116.77
7.2.70.0030.00616.73
7.2.60.0050.00816.69
7.2.50.0040.01216.71
7.2.40.0060.00916.90
7.2.30.0070.00716.89
7.2.20.0130.00016.53
7.2.10.0050.00516.72
7.2.00.0020.01017.96
7.1.330.0030.01315.70
7.1.320.0070.01015.70
7.1.310.0030.00615.65
7.1.300.0000.01215.91
7.1.290.0060.00615.75
7.1.280.0080.00515.61
7.1.270.0000.01115.60
7.1.260.0080.00415.59
7.1.250.0040.00415.81
7.1.240.0110.00315.79
7.1.230.0070.01115.87
7.1.220.0030.00915.70
7.1.210.0060.00615.57
7.1.200.0070.00315.65
7.1.190.0030.00515.68
7.1.180.0080.00615.79
7.1.170.0070.01015.93
7.1.160.0000.01015.43
7.1.150.0000.01115.83
7.1.140.0030.00815.87
7.1.130.0060.00615.71
7.1.120.0040.01115.57
7.1.110.0030.00815.58
7.1.100.0090.00416.97
7.1.90.0100.00315.79
7.1.80.0080.00415.69
7.1.70.0030.00816.55
7.1.60.0160.00325.42
7.1.50.0080.01025.32
7.1.40.0080.01225.08
7.1.30.0090.01025.02
7.1.20.0130.00825.20
7.1.10.0080.00816.23
7.1.00.0030.01016.30
7.0.330.0070.00315.38
7.0.320.0030.01015.04
7.0.310.0070.00415.52
7.0.300.0000.01515.43
7.0.290.0030.00615.62
7.0.280.0040.00815.29
7.0.270.0000.01115.24
7.0.260.0000.01015.27
7.0.250.0100.00315.45
7.0.240.0040.00815.32
7.0.230.0100.00315.58
7.0.220.0000.01515.34
7.0.210.0040.01115.20
7.0.200.0060.00515.96
7.0.190.0040.00916.07
7.0.180.0050.00815.93
7.0.170.0070.00715.65
7.0.160.0030.00915.70
7.0.150.0090.00915.69
7.0.140.0060.00515.89
7.0.130.0050.00816.11
7.0.120.0070.00515.86
7.0.110.0100.00515.88
7.0.100.0070.00815.89
7.0.90.0040.00715.74
7.0.80.0070.01015.89
7.0.70.0030.01115.79
7.0.60.0020.00915.63
7.0.50.0060.00815.98
7.0.40.0000.01315.18
7.0.30.0080.00714.96
7.0.20.0040.00914.99
7.0.10.0090.00415.05
7.0.00.0060.00614.93
5.6.400.0040.00714.14
5.6.390.0030.00614.13
5.6.380.0090.00314.30
5.6.370.0040.00814.37
5.6.360.0000.01713.90
5.6.350.0080.00414.32
5.6.340.0080.00314.23
5.6.330.0040.01014.43
5.6.320.0080.00414.43
5.6.310.0060.00614.20
5.6.300.0040.01113.97
5.6.290.0000.01114.25
5.6.280.0000.01114.30
5.6.270.0120.00614.35
5.6.260.0140.00314.25
5.6.250.0060.00914.14
5.6.240.0120.00314.16
5.6.230.0070.01014.06
5.6.220.0030.00714.32
5.6.210.0120.00314.37
5.6.200.0070.00714.04
5.6.190.0040.00813.98
5.6.180.0060.01214.24
5.6.170.0000.00914.09
5.6.160.0030.01314.25
5.6.150.0030.00914.41
5.6.140.0000.01314.47
5.6.130.0040.01114.21
5.6.120.0030.01414.52
5.6.110.0030.01214.25
5.6.100.0030.01014.18
5.6.90.0040.01114.09
5.6.80.0100.00714.24
5.6.70.0040.00814.08
5.6.60.0040.01114.17
5.6.50.0030.00914.14
5.6.40.0000.01014.35
5.6.30.0000.01614.27
5.6.20.0000.01614.07
5.6.10.0040.01214.10
5.6.00.0030.01014.24

preferences:
46.07 ms | 401 KiB | 5 Q